Openstack client can't load modules

Hi everyone,

Openstack client installed on an Ubuntu 20.04 is showing these errors when I launch as non root user; indeed it is fine with sudo: Could not load 'metric_metric_create': module 'gnocchiclient.v1.metric_cli' has no attribute 'DeprecatedCliMetricCreate' Could not load 'metric_metric_delete': module 'gnocchiclient.v1.metric_cli' has no attribute 'DeprecatedCliMetricDelete' Could not load 'metric_metric_list': module 'gnocchiclient.v1.metric_cli' has no attribute 'DeprecatedCliMetricList' Could not load 'metric_metric_show': module 'gnocchiclient.v1.metric_cli' has no attribute 'DeprecatedCliMetricShow'

I don't have noticed any bad behaviour using it, but I'm not sure. Any help? Thanks